Skip Navigation Links weather.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
The Weather Prediction Center

 
 

 

Follow the Weather Prediction Center on Facebook Follow the Weather Prediction Center on Twitter
NCEP Quarterly Newsletter
WPC Home
Analyses and Forecasts
   National High & Low
   WPC Discussions
   Surface Analysis
   Days ½-2½ CONUS
   Days 3-7 CONUS
   Days 4-8 Alaska
   QPF
   PQPF
   Flood Outlook
   Winter Weather
   Storm Summaries
   Heat Index
   Air Quality
   Tropical Products
   Daily Weather Map
   GIS Products
Current Watches/
Warnings

Satellite and Radar Imagery
   Satellite Images
   National Radar
Product Archive
WPC Verification
   QPF
   Medium Range
   Model Diagnostics
   Event Reviews
International Desks
Development and Training
   Development
WPC Overview
   About the WPC
   Staff
   WPC History
   Accomplishments
   Other Sites
   FAQs
Meteorological Calculators
Contact Us
   About Our Site
 
USA.gov is the U.S. Government's official web portal to all federal, state, and local government web resources and services.
 
Remnants of ALLISON Advisory Number 45
 
Issued 15:00Z Jun 16, 2001
 
Advisory Selection
View advisory number:  52   51   50   49   48   47   46   45   44   43   42   41   40   39   38   37   36   35   34   33   32   31   30   29   28   
27   26   25   24   23   22   21   20   19   18   17   16   15   14   13   12   11   10   9   8   7   6   5   

STORM SUMMARY NUMBER 45 FOR THE REMAINS OF "ALLISON" 
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
1100 AM EDT SAT JUN 16 2001

AT 10 AM EST...THE SURFACE LOW ASSOCIATED WITH THE REMAINS OF
"ALLISON" WAS LOCATED NEAR THE MOUTH OF THE CHESAPEAKE BAY IN SOUTHEAST
VIRGINIA...NEAR 37.0N 76.0W...OR 10 MILES SOUTH OF NORFOLK VIRGINIA. 
DURING THE PAST FEW HOURS...WINDS IN THE VICINITY OF THIS SYSTEM WERE LIGHT...5
TO 10 MPH...ALTHOUGH SOME WIND GUSTS EXCEEDING 25 MPH HAVE BEEN
RECORDED BY OFFSHORE BUOYS EAST OF THE VIRGINIA AND NORTH CAROLINA COASTS. 
THE ESTIMATED CENTRAL PRESSURE OF THE SYSTEM IS 1007 MB...OR 29.74 INCHES OF
MERCURY.  DURING THE PAST 6 HOURS...THIS SYSTEM HAS DRIFTED SLOWLY
NORTHWARD AT 3 MPH. CONTINUED MOTION TOWARD THE NORTH IS EXPECTED
TODAY...HELPING TO SPREAD THE HEAVY RAINS IN ASSOCIATION WITH THE
REMAINS OF "ALLISON" NORTHWARD.  A COLD FRONT APPROACHING FROM THE WEST
WILL AID IN DRAWING THIS SYSTEM FARTHER NORTHWARD...AND PROVIDE AN
ADDITIONAL TRIGGER FOR HEAVY RAINS.

DURING THE OVERNIGHT HOURS...THE HEAVIEST RAINS HAVE FALLEN TO THE
WEST OF THE SURFACE LOW...AND THIS PATTERN IS FORECAST TO CONTINUE TODAY. 
CURRENTLY...A BAND OF HEAVY RAIN CAN BE OBSERVED ON THE SOUTHWEST
SIDE OF THE SURFACE LOW...STRETCHING NORTHWARD UP THE WEST SIDE OF THE
CHESAPEAKE BAY.  THE DELUGE FROM THIS SYSTEM CONTINUES...24-HOUR
DOPPLER RADAR ESTIMATES HAVE THE HEAVIEST RAINFALL ACCUMULATIONS
SINCE 8 AM YESTERDAY IN NORTHEAST NORTH CAROLINA.  MORE THAN 5 INCHES OF
RAIN IS ESTIMATED TO HAVE FALLEN IN AT LEAST PART OF
MARTIN...HALIFAX...BERTIE... AND HERTFORD COUNTIES.  NEAR THE HERTFORD/BERTIE COUNTY
LINE...AMOUNTS IN EXCESS OF 10 INCHES HAVE BEEN ESTIMATED.
 
THE HEAVY RAINS THAT HAVE PLAGUED NORTH CAROLINA AS OF LATE WILL
SPREAD NORTHWARD TODAY INTO VIRGINIA AND MARYLAND...WHERE RAINFALL RATES
OF UP TO TWO INCHES PER HOUR...PRODUCING AMOUNTS OVER 5 INCHES IN
LOCALIZED AREAS.

FLASH FLOOD WATCHES AND FLOOD STATEMENTS PRESENTLY COVER AN AREA
EXTENDING FROM NORTHEASTERN NORTH CAROLINA NORTHWARD
THROUGH...NORTHERN AND PARTS OF EASTERN VIRGINIA...MOST OF
MARYLAND...NORTHERN DELAWARE..THE SOUTHERN TWO-THIRDS OF EASTERN
PENNSYLVANIA...AND NORTHWEST NEW JERSEY.

AT 857 AM EDT IN NORTH CAROLINA...WATER STILL COVERED HIGHWAY 125
FROM OAK CITY IN MARTIN COUNTY TO THE BERTIE COUNTY LINE.  MANY
SECONDARY ROADS REMAINED UNDER SEVERAL INCHES OF WATER IN MARTIN COUNTY AS
WELL.  A FLASH FLOOD WARNING IS POSTED FOR GATES...HERTFORD...AND BERTIE
COUNTIES IN NORTH CAROLINA UNTIL 11:15 AM EDT...AS WELL AS ISLE OF WIGHT
COUNTY AND THE CITY OF SUFFOLK IN SOUTHEAST VIRGINIA.  HALIFAX
COUNTY NORTH CAROLINA UNTIL 10 AM EDT. FLOOD STATEMENTS STILL COVER AREAS
PREVIOUSLY SOAKED BY THE REMAINS OF "ALLISON."  PARTS OF EAST
TEXAS...SOUTHERN LOUISIANA...AND SOUTHERN MISSISSIPPI ARE REMAIN
UNDER ADVISORIES.
     
SELECTED 24 HOUR RAINFALL TOTALS INCLUDE:

NORTH CAROLINA (THROUGH 8 AM EDT, IN INCHES)

ROCKY MOUNT-WILSON....................2.97
ROANOKE RAPIDS........................2.46
ELIZABETH CITY........................0.63 
WILMINGTON............................0.59

VIRGINIA (THROUGH 8 AM EDT, IN INCHES)

RICHMOND..............................0.73
LYNCHBURG.............................0.63
DULLES AIRPORT/HERNDON................0.58

THE NEXT STORM SUMMARY WILL BE ISSUED AT 5 PM EDT.     

MCELROY/ FORECAST OPERATIONS BRANCH